.base{
    background: #61dafb;
    width: 100%;
    height: 100%;
}
.base header{
    height: 15%;
    background: cyan;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.base header>*{
    font-size: 20px;
}
.base section{
    height: 85%;
    background: #f89fd8;
}